Home / 18,949,673.91-28,437,125.30-10,315,953.77

Finding the Fourth Proportional to 18,949,673.91, 28,437,125.30 and 10,315,953.77

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Solution

The fourth proportional to 18,949,673.91, 28,437,125.30 and 10,315,953.77 is: 15,480,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949,673.91 : 28,437,125.30 = 10,315,953.77 : x
  2. Step 2: Convert to fraction form
    18,949,673.91/28,437,125.30 = 10,315,953.77/x
  3. Step 3: Cross multiply
    18,949,673.91x = 28,437,125.30 × 10,315,953.77
  4. Step 4: Simplify right side
    18,949,673.91x = 293,356,069,752,732
  5. Step 5: Solve for x
    x = 293,356,069,752,732/18,949,673.91
  6. Step 6: Final answer
    x = 15,480,797.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.